Bhupesh suffered crop failure for few years. When he got the pH of the soil examined, it was about 11.6. Which of the following compounds can he use to treat the soil of his agricultural field?
- A.Ca(OH)2
- B.NaCl
- C.Al2(SO4)3
- D.Zn(OH)2
Show answer
A pH of 11.6 means the soil is strongly alkaline, so it has to be treated with something acidic, and aluminium sulphate is the only acidic compound in the list.
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